summaryrefslogtreecommitdiff
path: root/lisp/emacs-lisp/copyright.el
diff options
context:
space:
mode:
authorPaul Eggert <eggert@cs.ucla.edu>2019-04-12 19:43:16 -0700
committerPaul Eggert <eggert@cs.ucla.edu>2019-04-12 19:43:41 -0700
commit7ddd08bd3ebc48998062a7d29274cf080256a48f (patch)
treeda54083040dc4675dc5b9084ab32a0ed4ec6a8f5 /lisp/emacs-lisp/copyright.el
parent8635e011edd1c50678074a49cbbf857b35823e9d (diff)
downloademacs-7ddd08bd3ebc48998062a7d29274cf080256a48f.tar.gz
emacs-7ddd08bd3ebc48998062a7d29274cf080256a48f.tar.bz2
emacs-7ddd08bd3ebc48998062a7d29274cf080256a48f.zip
Omit/rewrite useless regexp repetitions
Problem reported by Mattias Engdegård in: https://lists.gnu.org/r/emacs-devel/2019-04/msg00527.html * lisp/align.el (align-rules-list): * lisp/cedet/srecode/srt-mode.el (srecode-font-lock-keywords): * lisp/emacs-lisp/copyright.el (copyright-regexp): * lisp/erc/erc-backend.el (JOIN): * lisp/erc/erc-goodies.el (erc-unmorse): * lisp/mail/mail-extr.el (mail-extr-telephone-extension-pattern): * lisp/net/tramp-adb.el (tramp-adb-prompt): * lisp/org/org-table.el (org-table-range-regexp): * lisp/progmodes/idlwave.el (idlwave-where): * lisp/progmodes/verilog-mode.el (verilog-declaration-re-2-no-macro) (verilog-declaration-re-2-macro, verilog-delete-auto-buffer) (verilog-auto-inst-port): * lisp/url/url-misc.el (url-data): Omit or rewrite useless repetitions that risk being very slow in the backtracking regexp engine in Emacs.
Diffstat (limited to 'lisp/emacs-lisp/copyright.el')
-rw-r--r--lisp/emacs-lisp/copyright.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/copyright.el b/lisp/emacs-lisp/copyright.el
index 2726bbc1f3f..be335838e33 100644
--- a/lisp/emacs-lisp/copyright.el
+++ b/lisp/emacs-lisp/copyright.el
@@ -52,7 +52,7 @@ This is useful for ChangeLogs."
(defcustom copyright-regexp
"\\(©\\|@copyright{}\\|[Cc]opyright\\s *:?\\s *\\(?:(C)\\)?\
\\|[Cc]opyright\\s *:?\\s *©\\)\
-\\s *\\(?:[^0-9\n]*\\s *\\)?\
+\\s *[^0-9\n]*\\s *\
\\([1-9]\\([-0-9, ';/*%#\n\t]\\|\\s<\\|\\s>\\)*[0-9]+\\)"
"What your copyright notice looks like.
The second \\( \\) construct must match the years."